from typing import List, Optional
from uuid import UUID
from datetime import date
from pydantic import BaseModel

class TagBase(BaseModel):
    name: str

class TagCreate(TagBase):
    pass

class TagOut(TagBase):
    id: UUID
    class Config:
        orm_mode = True

class TagIdPayload(BaseModel):
    tag_id: UUID

class ItemBase(BaseModel):
    name: str

class ItemCreate(ItemBase):
    tag_ids: List[UUID] = []

class ItemOut(ItemBase):
    id: UUID
    tags: List[TagOut] = []
    class Config:
        orm_mode = True

class TripBase(BaseModel):
    name: Optional[str] = None
    start_date: Optional[date] = None
    end_date: Optional[date] = None

class TripCreate(TripBase):
    selected_tag_ids: List[UUID] = []
    marked_tag_ids: List[UUID] = []

class TripUpdate(BaseModel):
    name: Optional[str] = None
    start_date: Optional[date] = None
    end_date: Optional[date] = None
    selected_tag_ids: Optional[List[UUID]] = None
    marked_tag_ids: Optional[List[UUID]] = None

class TripOut(TripBase):
    id: UUID
    selected_tags: List[TagOut]
    marked_tags: List[TagOut]
    class Config:
        orm_mode = True

class TripItemOut(BaseModel):
    id: UUID
    trip_id: UUID
    item_id: UUID
    name_calculated: str
    checked: bool
    tag: Optional[TagOut] = None
    item: Optional[ItemOut] = None
    class Config:
        orm_mode = True

class TripRegenerationResult(BaseModel):
    trip_id: UUID
    deleted_checked_trip_item_ids: List[UUID] = []
    created_trip_item_ids: List[UUID] = []